- 硬質合金測量面。
- 帶有恆定測力的裝置。
- 環規(300mm以下)，內徑檢測規(25mm以上)，量塊套裝等基準規配備齊全，可用於基點調整。
規格:
| Metric | |||||
| Order No. | Range (mm) | Resolution (mm) | Accuracy (µm) | Jaw | Mass (g) |
| 345-250-30 | 5 – 30 | 0.001 | ±5 | Pin | 320 |
| 345-251-30 | 25 – 50 | 0.001 | ±6 | Anvil | 325 |
| Inch/Metric | |||||
| Order No. | Range (in) | Resolution | Accuracy (in) | Jaw | Mass (g) |
| 345-350-30 | 0.2 – 1.2 | 0.00005 in/ 0.001 mm | ±0.00025 | Pin | 320 |
| 345-351-30 | 1 – 2 | ±0.0003 | Anvil | 325 | |
